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| Kingdom Animalia |
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Acanthametropus Tshernova, 1948 -- valid |
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Acentrella Bengtsson, 1912 -- valid |
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Acerpenna Waltz and McCafferty, 1987 -- valid |
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Ameletus Eaton, 1885 -- valid |
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Amercaenis Provonsha and McCafferty, 1985 -- valid |
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Ametropus Albarda, 1878 -- valid |
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Analetris Edmunds, 1972 -- valid |
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Anepeorus McDunnough, 1925 -- valid |
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Anthopotamus McCafferty and Bae, 1990 -- valid |
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Apobaetis Day, 1955 -- valid |
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Arthroplea Bengtsson, 1908 -- valid |
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Attenella Edmunds, 1971 -- valid |
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Baetis Leach, 1815 -- valid |
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Baetisca Walsh, 1862 -- valid |
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Baetodes Needham and Murphy, 1924 -- valid |
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Barbaetis Waltz and McCafferty, 1985 -- valid |
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Brachycercus Curtis, 1834 -- valid |
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Caenis Stephens, 1835 -- valid |
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Callibaetis Eaton, 1881 -- valid |
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Camelobaetidius Demoulin, 1966 -- valid |
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Campsurus Eaton, 1868 -- valid |
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Campylocia Needham and Murphy, 1924 -- valid |
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Caudatella Edmunds, 1959 -- valid |
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Caurinella Allen, 1984 -- valid |
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Centroptilum Eaton, 1869 -- valid |
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Cercobrachys Soldán, 1986 -- valid |
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Choroterpes Eaton, 1881 -- valid |
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Cinygma Eaton, 1885 -- valid |
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Cinygmula McDunnough, 1933 -- valid |
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Cloeodes Traver, 1938 -- valid |
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Cloeon Leach, 1815 -- valid |
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Diphetor Waltz and McCafferty, 1987 -- valid |
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Dolania Edmunds and Traver, 1959 -- valid |
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Drunella Needham, 1905 -- valid |
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Edmundsius Day, 1953 -- valid |
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Epeorus Eaton, 1881 -- valid |
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Ephemera Linnaeus, 1758 -- valid |
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Ephemerella aroni Eaton in Esben-Petersen, 1908 -- invalid |
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Ephemerellidae -- valid |
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Ephoron Williamson, 1802 -- valid |
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Eurylophella Tiensuu, 1935 -- valid |
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Fallceon Waltz and McCafferty, 1987 -- valid |
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Farrodes Peters, 1971 -- valid |
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Habrophlebia Eaton, 1881 -- valid |
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Habrophlebiodes Ulmer, 1920 -- valid |
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Heptagenia Walsh, 1863 -- valid |
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Heterocloeon McDunnough, 1925 -- valid |
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Hexagenia Walsh, 1863 -- valid |
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Homoeoneuria Eaton, 1881 -- valid |
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Iron Eaton, 1883 -- invalid |
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Ironodes Traver, 1935 -- valid |
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Ironopsis Traver, 1935 -- invalid |
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Isonychia Eaton, 1871 -- valid |
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Labiobaetis Novikova and Kluge, 1987 -- valid |
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Lachlania Hagen, 1868 -- valid |
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Leptohyphes Eaton, 1882 -- valid |
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Leptophlebia Westwood, 1840 -- valid |
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Leucrocuta Flowers, 1980 -- valid |
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Litobrancha McCafferty, 1971 -- valid |
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Macdunnoa Lehmkuhl, 1979 -- valid |
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Metretopus Eaton, 1901 -- valid |
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Neochoroterpes Allen, 1974 -- valid |
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Neoephemera McDunnough, 1925 -- valid |
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Nixe Flowers, 1980 -- valid |
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Paracloeodes Day, 1955 -- valid |
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Paraleptophlebia Lestage, 1917 -- valid |
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Paraleptophlebia bicornuta (McDunnough, 1926) -- valid |
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Parameletus Bengtsson, 1908 -- valid |
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Pentagenia Walsh, 1863 -- valid |
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Polymitarcyidae -- valid |
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Procloeon Bengtsson, 1915 -- valid |
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Pseudiron McDunnough, 1931 -- valid |
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Pseudocentroptiloides Jacob, 1986 -- valid |
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Raptoheptagenia Whiting and Lehmkuhl, 1987 -- valid |
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Rhithrogena Eaton, 1881 -- valid |
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Serratella Edmunds, 1959 -- valid |
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Siphlonisca Needham, 1909 -- valid |
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Siphlonurus Eaton, 1868 -- valid |
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Siphloplecton Clemens, 1915 -- valid |
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Stenacron Jensen, 1974 -- valid |
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Stenonema Traver, 1933 -- valid |
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Thraulodes Ulmer, 1920 -- valid |
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Timpanoga Needham, 1927 -- valid |
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Tortopus Needham and Murphy, 1924 -- valid |
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Traverella Edmunds, 1948 -- valid |
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Tricorythodes Ulmer, 1920 -- valid |
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